From cisco:
"If the router receives a datagram which it is unable to deliver
to it's ultimate destination because it knows of no route to the
destination address, it replies to the originator of that
datagram with an ICMP Host Unreachable message."
An access-list denying icmp echo-requests will simply not permit
the forwarding of icmp echo-requests. From the use of ping, this
would be observed as timeouts rather than "Host Unreachable" or "!H".
--phil
| -----Original Message-----
| From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
| Jennifer Cribbs
| Sent: Monday, November 20, 2000 1:13 PM
| To: [EMAIL PROTECTED]
| Subject: RE: !H not a complete answer
|
|
| This response is returned when an access list somewhere along the path
| prevents a router from forwarding a packet to the HOST.
|
| and that is correct.
|
| Jennifer Cribbs
| [EMAIL PROTECTED]
|
|
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